Stop motion for looms



* I P. C. HERING STOP MOTION FOR LOOMS Filed Feb. 27, 1926 2 Sheets-Sheet l July 10, 1928. 1,677,085

P. c. HERING STOP MOTION FOR LOOKS Filed Feb. 27, 1926 2 Sheets-Sheet 2 Patented July 10, .1928.

UNITED STATES PAUL C. HERING, OF LAWRENCE, MASSACHUSETTS.

STOP MOTION FOR LOOMS.

Application filed February 27, 1926. Serial No. 91,134.

This invention relates to looms; 7

An important object is to provide a novel construction which may serve as an attach ment for existing looms, particularly the Draper loom, and may be readily attached or detached.

Another object is to provide a construction having relatively movable parts, which movement is prevented upon damage or breakage of the harness straps.

Still another object is to provide a novel construction in which a movable part is opa stop-motion for erated by the warp stop-motion and coacts with a stationary part, both parts having tines adapted for reception of harness straps therebetween when the latter break, in order to arrest motion of the first mentioned part and thereby stop operation of the loom.

Various additional objects and advantages will be pointed out or become apparent from a consideration of the description following taken in connection with accompanying drawings illustrating an operative embodiment. i

In said drawings Figure 1 is a diagrammatic perspective view illustrating a device in place in con nection with a loom;

for example.

Figure 2 is a perspective view of the improvementor attachment alone and on a larger scale;

Figure 3 is a cross sectional view taken on the line 3-3 of Figure 2, and

Figure 4 is a detail plan view of the connection with the warp stop-motion of the loom.

Referring specifically to the drawings, certain parts of a loom have been shown conventionally and diagrammatically to illustrate the installation and practice of the invention. Such parts may be of a usual Draper loom, by way of example. Beferring specifically to such loom parts, to the extent necessary for an understanding of the invention, A represents a vibrating element comprising four bars such as are shown in patent to Cyr 722,818, March 17, 1903, The harness is shown at B, and the usual harness straps at O, trained over appropriate guide rollers D and with the sections of the respective straps joined as usual by rods or wires E, having adjustable connection as shown with the strap terminals. The loom frameis designated F and the cross beam thereof is shown at G.

A jack lever L has usual arms band 0 connected respectively to one of the wires E and to a wire H leading to a lever I pivoted at J and connected to straps K leading to adjacent straps C. p Referring specifically to the drawings, 10 designates an attaching plate havingappropriate openings in alaterallyoifset portion 11 through which bolts 12 may be passed to detachably secure the device in place to the cross beam Gr Suspended from the attaching plate 10 is a comb 13. This comb may comprise a metallic plate 14: having one or more longitudinal rows of upstanding fingers or tines at 15. Vertical rods or bolts 16 may be fastened to the runner portions of plate 14 and at their upper ends be connected to the attaching plate 10. i

Rociprocable longitudinally of and on the plate 14, and disposed between the two rows of tines 15 thereof and guided by end pins 16( ofthe plate 14:, is a movable comb generally designated 17. The latter comb may comprise a bar 18 and have upstanding tines 19 thereon.

- The comb 17 is flexibly suspendedfrom the attaching plate 10 as by means of connectors 20, vertically disposed, which have pivotal connection at opposite ends, with hook bolts 21 and 22, connected to the plate 10 and the bar 18.

One end of the bar 18 is upwardly deflected or inclined as at 23 and such portion is provided with a plurality of openings 24. An operating pitman 25 at one end has a series of openings 26 therethrough. A pivot bolt or the like 27 is adapted to be passed through selected openings 24 and 26 to ad justably connect the pitman 25 to bar 18 The upper end portion of the pitman may be substantially horizontal as at 28 and in adjustable sections secured by a connection as at 29 of any suitable form. This arm 28 at one end terminates in an enlargement or plate 30, which coacts with a plate 31, jointly constituting a clamp with a bolt 32 which joins them. By means of these plates 30 and 81, and bolt 32, the pitman may be attached to any one of the four bars. preferably the forward one, of the vibrating element A as shown. Said bars A vibrate forwardly and rearwardly of the loom as explained in the Cyr Patent 722,818 aforesaid and hence give motion. to bar or comb 17 and associated parts.

portions ofthe straps pass through the attachment between the bolt 16 and attaching plate 10 and the combs 13 and 17.

Various changes may be resorted to pro vided they fall within the spirit and scope of the invention.

I claim as my invention 1. In combination with a warp stop-motion and the harnesses and harness straps of a loom, a comb movable by said motion, and engageable by a harness strap upon breakage of the latter, and means coacting with thecomb and broken harness strap to arrest motion of the comb.

2. In a loom, in combination with a stopmotion, harnesses and harness straps, combs, one of said combs being movable relatively to the other by the stop-motion, said combs being arranged for engagement by a broken harness strap to prevent relative movement of the combs.

3.111 a loom, in combination with a stop.- motion, harnesses and harness straps, means normally movable by the stop motion and disposed below and relatively close to the harness straps, said means being adapted for engagement by the harness straps upon breakage of the latter to stop motion of the loom.

4. In a loom, in COlIlblIltlllOll with a stop motion, harnesses and harness straps, an attaching plate, a comb suspended therefrom, a comb movable relatively to the first mentioned comb by the stop-motion, said combs being arranged for engagen'ient by a harness strap upon breakage of the latter to prevent relative ll'lOVlllCIll? of the combs.

In aloom stop-motion in combination with the harnesses and harness straps, an attaching plate, a comb suspended therefrom, a comb movable relatively to the first mentioned comb by the stop-motion, said combs being arranged for engagement by a harness strap upon breakage of the latter to prevent relative movement of the combs, connectors suspending said movable comb from the attaching plate, and a pitman connection from the movable comb to the warp stop-motion.

6. In a loom stop-motion in combination with the harnesses and harness straps, on attaching plate having an oll'set portion for connection to a loom part, rods depending from said plate, connectors depending from said plate, a comb plate positioned by said rods, tines rising from said comb plate in rows, a comb bar suspended by said connectors over said comb plate and having upstanding tines thereon, means to connect said comb bar to a warp stop-motion, said tines being arranged relatively close to the harness straps whereby upon breakage of the latter the tines will be engaged and movement of the comb bar relative to the comb plate will be arrested.

In testimony whereof I allix my signature.

PAUL C. IIERING. 

